Packera eurycephala var. lewisrosei Calflora

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Taxon Report

Packera eurycephala (Torr. & A. Gray) W.A. Weber & Á. Löve var. lewisrosei (J. T. Howell) J. F. Bain

Lewis' groundsel

Packera eurycephala var. lewisrosei is a perennial herb that is native to California, and endemic (limited) to California.

also called Senecio eurycephalus var. lewisrosei

California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).


	Plant Range Observation Search ~108 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Parent:	Packera eurycephala
Genus:	Packera
Family:	Asteraceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Ultramafic affinity: 5.8 - strict endemic

Communities: Yellow Pine Forest, Foothill Woodland, Chaparral

Name Status:
Accepted by JEF + CNPS + PLANTS + POWO

Alternate Names:


JEF + CNPS + PLANTS	Senecio eurycephalus var. lewisrosei
PLANTS	Senecio lewisrosei

Information about Packera eurycephala var. lewisrosei from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (PAEUL) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 1B.2 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 04/08/2025).